Townsville Crocodiles (2004–2007) Following the 2004 SEABL season, Newley joined the
Townsville Crocodiles of the
National Basketball League (NBL). In the
2004–05 season, he was the MVP of the league's
All-Star Game and earned
Rookie of the Year and
Best Sixth Man honours, becoming the first player in league history to win both awards. During the 2005 off-season, Newley re-joined the Forestville Eagles of the Central ABL. In six games, he averaged 24.3 points, 9.8 rebounds and 4.0 assists per game. In the
2005–06 season, Newley averaged 19.3 points, 5.1 rebounds and 4.3 assists in 32 games for the Crocodiles. After originally declaring for the
2006 NBA draft, Newley later withdrew his name and returned to the Crocodiles for the
2006–07 NBL season. In April 2007, Newley agreed to sign a two-year deal with the
Adelaide 36ers.
2007 NBA draft and Summer League On 28 June 2007, Newley was selected with the 54th overall pick in the
2007 NBA draft by the
Houston Rockets. He played for the Rockets in the
NBA Summer League, where he averaged 3.3 points, 3.0 rebounds and 1.0 assists in three games with one start.
Panionios and Panellinios (2007–2009) In August 2007, Newley signed with
Panionios for the
2007–08 Greek Basket League season. In just his fourth league game, he scored 32 points, on 12-of-12 shooting, in a win over
AEK Athens. By making 8-of-8 three-pointers in the game, he set a new record in the
Greek Basket League competition. He was later named to the 2008 Greek League All-Star game. In 26 regular season games in the Greek League, he averaged 10.8 points, 3.5 rebounds, 1.0 assists and 1.3 steals per game, before averaging 8.3 points, 2.6 rebounds, 1.1 assists and 0.9 steals in 12 playoff games. On 16 July 2008, Newley signed with
Panellinios for the
2008–09 Greek Basket League season. In 26 regular season games in the Greek League, he averaged 11.0 points, 4.3 rebounds, 0.8 assists and 1.0 steals per game, before averaging 6.0 points and 5.5 rebounds in two playoff games.
Turkey and Lithuania (2009–2012) On 21 July 2009, Newley signed with
Beşiktaş of the
Turkish Basketball Super League for the
2009–10 season. On 28 May 2010, Newley signed a two-year deal with
Lietuvos rytas of the
Lithuanian Basketball League.
Spain (2012–2016) In January 2012, Newley left Lietuvos rytas and signed with Spanish club
Valencia of the
Liga ACB for the rest of the
2011–12 season. On 9 August 2012, Newley signed with Spanish club
Gran Canaria for the
2012–13 ACB season. He re-signed with Canaria in 2013, 2014 and 2015. In the
2014–15 season, Newley averaged 10.3 points, 3.5 rebounds, 0.8 assists and 1.1 steals per game, in 32 games played in the Spanish League, and 12.0 points, 3.3 rebounds, 1.1 assists, and 1.0 steals per game in the
European-wide 2nd-tier level league, the
EuroCup, as his team made it to the
2014–15 EuroCup Finals.
Sydney Kings and AEK Athens (2016–2021) On 8 June 2016, Newley signed a three-year deal with the
Sydney Kings of the Australian
NBL. On 17 November 2016, he scored a season-high 34 points in a 93–80 loss to the
Perth Wildcats. For the
2016–17 season, he was named to the
All-NBL Second Team. Following the NBL season, Newley played in Greece for
AEK Athens to complete the
2016–17 Greek League season. Newley returned to the Kings for the
2017–18 NBL season. On 29 March 2019, Newley re-signed with the Kings on a two-year deal. In the
2019–20 NBL season, the Kings won the minor premiership with a first-place finish and a 20–8 record and played in the NBL Grand Final series, where they lost 2–1 to the Perth Wildcats.
Melbourne United and Frankston Blues (2021–2024) On 8 July 2021, Newley signed with
Melbourne United for the
2021–22 NBL season. On 17 May 2022, Newley re-signed with United for the
2022–23 NBL season. In December 2022, he played his 300th NBL game. Newley joined the
Frankston Blues for the 2023
NBL1 South season. On 24 April 2023, Newley re-signed with United for the
2023–24 NBL season. On 14 February 2024, he announced that he would retire from the NBL at the conclusion of the 2023–24 season. On 15 July 2023, Newley re-signed with the Frankston Blues for the
2024 NBL1 season.
NBA draft rights In 2017, Newley's
NBA draft rights were traded by the Houston Rockets to the
Los Angeles Lakers. In 2022, his draft rights were traded by the Lakers to the
New York Knicks. ==National team career==